Fix the run_once.sh script to run with all categories.'

Author: eightbitraptor

run_once.sh

@@ -1,7 +1,18 @@
 #!/usr/bin/env bash
 # Script to run a single benchmark once
 # You can pass --yjit-stats and other ruby arguments to this script.
-# eg:
-# ./run_once.sh --yjit-stats benchmarks/railsbench/benchmark.rb
+# Automatically detects Ractor benchmarks and uses the appropriate harness.
+# Examples:
+#   ./run_once.sh --yjit-stats benchmarks/railsbench/benchmark.rb
+#   ./run_once.sh benchmarks-ractor/optcarrot/benchmark.rb
 
-WARMUP_ITRS=0 MIN_BENCH_ITRS=1 MIN_BENCH_TIME=0 ruby -I./harness $*
+# Detect if any argument contains benchmarks-ractor/ to determine harness
+HARNESS="./harness"
+for arg in "$@"; do
+    if [[ "$arg" == *"benchmarks-ractor/"* ]]; then
+        HARNESS="./harness-ractor"
+        break
+    fi
+done
+
+WARMUP_ITRS=0 MIN_BENCH_ITRS=1 MIN_BENCH_TIME=0 ruby -I"$HARNESS" "$@"